Get input options in a bash script

bash_interactive.sh

NORMAL="\\033[0;39m"
RED="\\033[1;31m"
BLUE="\\033[1;34m"
GREEN="\\033[1;32m"

while true; do

echo -e "$BLUE------------------------------------------"
echo -e "$BLUE Escolha uma opção: $NORMAL"
echo ""
echo -e "$GREEN 1 - Elastisearch Health Status "
echo -e " 2 - Docker Engine Restart"
echo -e "$RED 3 - Sair $NORMAL"
read OPCAO

 case $OPCAO in
        [1]* ) curl -XGET http://localhost:9200/_cluster/health?pretty ;;
        [3]* ) exit;;
        * ) echo "Escolha uma opção.";;
    esac
#curl -XGET http://localhost:9200/_cluster/health?pretty

done